Interrupt Assignments - Asus M2A-MVP - Motherboard - ATX User Manual

1.8.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0 1
1 2
2 –
3 11
4 12
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 9
15 10
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI Slot 1
PCI Slot 2
IEEE 1394a
LAN (88E8001)
PCI-E x1_1
PCI-E x1_2
PCI-E x16_1
PCI-E x16_2
USB1.0 controller1
USB1.0 controller2
USB1.0 controller3
USB1.0 controller4
USB2.0 controller
HD audio
Onboard SATA
ASUS M2A-MVP
Standard function
System Timer
Keyboard Controller
Redirect to IRQ#9
Reserved
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT1)*
System CMOS/Real Time Clock
IRQ holder for PCI steering*
IRQ holder for PCI steering*
IRQ holder for PCI steering*
PS/2 Compatible Mouse Port*
Numeric Data Processor
Primary IDE/SATA Channel
Secondary IDE/SATA Channel
A B C
— — —
— — —
— — —
— — —
shared shared shared
shared shared shared
shared shared shared
shared shared shared
— — —
— — —
— — —
— — —
— — —
shared — —
— — —
D E F
— shared shared
— shared shared
— — —
— — shared
shared — —
shared — —
shared — —
shared — —
shared — —
shared — —
shared — —
shared — —
shared — —
— — —
— — shared
G H
shared shared
shared shared
shared —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
—
—
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